• Ph. D  Materials Science & Engineering, Tsinghua University, July 2011
• B.E.   Materials Science & Engineering, Tsinghua University, July 2006

• 02/2012-07/2012  Postdoctoral researcher, Department of Materials and Environmental Chemistry, Stockholm University
• 08/2012-08/2013  Research Scientist, Department of Materials and Environmental Chemistry, Stockholm University
• 09/2013-06/2019  Assistant Professor, School of Materials Science and Engineering, Tsinghua University
• 06/2019-present  Associate Professor, School of Materials Science and Engineering, Tsinghua University

• Multiferroic materials and prototypes
• Defects engineering in oxides
• Additive Manufacturing of ceramics

• 2019 Outstanding Young Scholar, Natural Science Foundation of China
• 2015 Young Elite Scientists Sponsorship Program by China Association for Science and Technology
• 2013 Tsinghua University 221 Program, Tsinghua University (Top supporting program for outstanding young scientists in Tsinghua University)
• 2013 National Award for Top 100 Ph.D Thesis of 2011, Ministry of Education of China (Top national honor for Ph.D thesis in China)

Selected Publications:
1．J. Wang, J. Ma, Y. B. Yang, M. F. Chen, J. X. Zhang, J. Ma*, C. W. Nan*, Ferroelectric photodetector with high current on-off ratio (~104%) in self-assembled topological nanoislands, ACS Applied Electronic Materials, 2019, 1(6), 862−868.
2．M. F. Chen, J. Ma, R. C. Peng, Q. H. Zhang, J. Wang, Y. H. Liang, J. L. Wu, L. Q. Chen, J. Ma*, C. W. Nan*, Robust polarization switching in self-assembled BiFeO3 nanoislands with quad-domain structures, Acta Materialia, 2019, 175, 324-330.
3．M. F. Chen, S. Y. Bao, Y. Zhang, Y. J. Wang, Y. H. Liang, J. L. Wu, T. T. Huang, L. Wu, P. Yu, J. Zhu, Y. H. Lin, J. Ma*, C. W. Nan*, A. J. Jacobson, C. L. Chen*, Robust polarization switching in self-assembled BiFeO3 nanoislands with quad-domain structures, Applied Physical Letters, 2019, 115(8), 081903.
4．L. Song, J. Ma*, Q. H. Zhang, Z. J. Shen*, Laser melted oxide ceramics: Multiscale structural evolution with nonequilibrium features, Journal of Materiomics, 2019, 5(3), 436-445.
5．L. Song, Q. H. Zhang, J. Ma*, C. L. Chen, B. Xu, M. K. Zhu, X. Xu, C. W. Nan, Z. J. Shen*, Vacancy-ordered Yttria Stabilized Zirconia as a Low-Temperature Electronic Conductor Achieved by Laser Melting, Journal of the European Ceramic Society, 2019, 39(4), 1374-1380.
6．J. Ma, J. Ma, Q. H. Zhang, R. C. Peng, J. Wang, C. Liu, M. Wang, N. Li, M. F. Cheng, X. X. Cheng, P. Gao, L. Gu, L. Q. Chen, P. Yu, J. X. Zhang*, C. W. Nan*, Controllable conductive readout in self-assembled, topologically confined ferroelectric domain walls, Nature Nanotechnology, 2018, 13 (10): 947-952.
7．L. Wu, M. F. Chen, C. J. Li, J. Zhou, L. Shen, Y. J. Wang, Z. C. Zhong, M. Feng, Y. J. Zhang, K. Han, T. Venky Venkatesan, Stephen J. Pennycook, P. Yu, J. Ma*, X. Wang*, C. W. Nan, Ferromagnetism and matrix-dependent charge transfer in strained LaMnO3–LaCoO3 superlattices, Materials Research Letters, 2018, 6(9), 501-507.
8．S. Y. Bao, J. Ma (co-first author), T. Yang, M. F. Chen, J. H. Chen, S. L. Pang, C. W. Nan*, C. L. Chen*, Oxygen Vacancy Dynamics at Room Temperature in Oxide Heterostructures, ACS Applied Materials & Interfaces, 2018, 10(5), 5107-5113.
9．S. Y. Bao, S. L. Pang, W. Z. Wang, J. H. Chen, M. F. Chen, J. Ma*, C. W. Nan*, C. L. Chen, Ca doping effect on the magnetic and electronic transport properties in double perovskite PrBaCo2O5+ films, Applied Physics Letters, 2017, 111, 232406.
10．H. Pan, J. Ma, J. Ma, Q. H. Zhang, X. Z. Liu, B. Guan, L. Gu, X. Zhang, Y. J. Zhang, L. L. Li, Y. Shen, Y. H. Lin*, C. W. Nan, Giant energy density and high efficiency achieved in bismuth ferrite-based film capacitors via domain engineering, Nature Communications, 2018, 9, 1813.
11．L. Song, Y. F. Wang, J. Ma*, Q. H. Zhang, Z. J. Shen*, Core/shell structured Zn/ZnO Nanoparticles Synthesized by Gaseous Laser Ablation with Enhanced Photocatalysis Efficiency, Applied Surface Science, 2018, 442, 101-105.
12．L. Song, J. Ma*, Q. H. Zhang, Y. D. Cao, R. Ran, Z. J. Shen*, Unique Redox Properties in Defective CeO2-x Nanocrystallines Synthesized by Laser Melting, Science China-Materials, 2018, 61(8), 1078-1084.
13．L. Wu, C. J. Li, M. F. Chen, Y. J. Zhang, K. Han, S. W. Zeng, X. Liu, J. Ma, C. Liu, J. H. Chen, J. X. Zhang, riando, T. V. Venkatesan, S. J. Pennycook, J. M. D. Coey, L. Shen, J. Ma*, X. Wang*, C. W. Nan*, Atomically Abrupt Enhancement of Ferromagnetism in Insulating LaMnO3 Thin Films, ACS Applied Materials & Interfaces, 2017, 9 (51), 44931-44937.
14．X. Liu, J. Ma, X. M. Wu, L. W. Lin, X. H. Wang*, Polymeric Nanofibers with Ultrahigh Piezoelectric via Self-orientation of Nanocrystal, ACS Nano, 2017, 11, 1901-1910.
15．J. H. Chen, J. Ma*, Y. J. Zhang, S. Y. Bao, L. Wu, C. Liu, C. W. Nan, Strain modulated ferromagnetic to antiferromagnetic transition in FeRh/BaTiO3 (001) heterostructures, Journal of Applied Physics, 2017, 121, 194101.
16． J. H. Chen, Y. Gao, L. Wu, J. Ma*, C. W. Nan, A magnetic glass state over the first-order ferromagnetic-to-antiferromagnetic transition in FeRh film, Materials Research Letters, 2017, 5, 329-334.
17．C. Liu, J. Ma*, J. Ma, Y. J. Zhang, J. H. Chen, C. W. Nan, Cautions to predicate multiferroic by atomic force microscopy, AIP Advances, 2017, 7, 055003.